Question

Give examples to show that friction is both a friend and a foe.

Answer 1

Example of friction as a friend

1. We can grab and catch various objects thanks to friction.
2. It enables us to walk more comfortably on the ground.
3. It assists in slowing down or stopping moving items.
4. Because of friction, things do not move from their places when we do not want them to.
5. It assists us in writing on paper or on a blackboard.
6. It aids in the application of brakes in cars.

Example of friction as a foe

1. Friction causes items to wear out.
2. It causes machine parts to be damaged. The machines or tools require constant maintenance, which wastes a lot of money.
3. Because friction slows down moving objects, more force is required.
4. Because of the increased friction between the tire and the road surface, as the tire deflates, it becomes difficult to move the vehicle.
5. Friction causes wear and tear on the soles of our shoes.